World

We're close to hitting the point when half the advert requests we get are for smartphones. While sales of smartphones have taken off in recent years - there are still millions of people using regular phones. Are you targeting them all?

Europe

In Q4 of 2010, Android accounted for around 16.7% of advertising impressions in Europe. In Q4 of 2011, it rocketed to 32% - zooming past iOS.

North America

With dozens of manufactures churning out lots of different models, it's always really interesting to see who's up and who's down.